Toyota ZZT230 series Repair Manual page 364

scan tool
OBD II
1 Check operation of fuel pump.
y
..... "
-
"""'
)
2 Check lor ECM power source circuit (See page 01-146).
3
Check circuit opening relay (Marking:
)
DIAGNOSnCS
(excluding TOYOTA hand-held tester):
Fuel Int e l Hose
-
ENGINE
PREPARATI O N:
Remove the ECM cover.
(a)
CHECK:
Turn the ignition switch ON.
(b)
Connect between terminal FC of the ECM connector and
(a)
body ground.
(b) Check for fuel pressure in the fuel inlet hose when it is
OK: There I s pressure I n fuel I n l e t hose.
pinched off.
HINT:
At this time, you will hear a fuel return flowing no1se.
Pr o cee d to next ci r cui t I n specti o n shown on
probl e m symptoms tabl e ( 5 ee page
G I
Repai r or repl a ce.
CI R
OPN) (See page SF-53).
G I
Repl a ce ci r cui t openi n g rel a y.
Dl-153
01-22) .